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JS数组求最大值和最小值

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
var arr = [1,2,3,4,5];

Array.prototype.max = function (){
    /*
    call与apply的参数区别
    
    call(对象,参数1,参数2,参数3,..)
    apply(对象,[参数1,参数2,参数3,..])
    
    */
    return Math.max.apply(null,this);    
}
Array.prototype.min = function (){
    return Math.min.apply(null,this);    
}

console.log(arr.max());
console.log(arr.min());

</script>
</head>

<body>
</body>
</html>

 

JS数组求最大值和最小值